package main

import (
	"fmt"
	"log"
	"os"

	"gopkg.in/yaml.v2"
)

var Cfg *Config

type Config struct {
	General struct {
		DeleteLogFileAtStart bool   `yaml:"delete_log_file_at_start"`
		LogToFile            bool   `yaml:"log_to_file"`
		LogLevel             string `yaml:"log_level"`
		TelnetServer         bool   `yaml:"telnetserver"`
		FlexRadioSpot        bool   `yaml:"flexradiospot"`
	} `yaml:"general"`
	SQLite struct {
		SQLitePath string `yaml:"sqlite_path"`
		Callsign   string `yaml:"callsign"`
	} `yaml:"sqlite"`

	Cluster struct {
		Server      string `yaml:"server"`
		Port        string `yaml:"port"`
		Login       string `yaml:"login"`
		Skimmer     bool   `yaml:"skimmer"`
		FT8         bool   `yaml:"ft8"`
		FT4         bool   `yaml:"ft4"`
		Command     string `yanl:"command"`
		LoginPrompt string `yaml:"login_prompt"`
	} `yaml:"cluster"`

	Flex struct {
		Discover bool   `yaml:"discovery"`
		IP       string `yaml:"ip"`
		SpotLife string `yaml:"spot_life"`
	} `yaml:"flex"`

	TelnetServer struct {
		Host string `yaml:"host"`
		Port string `yaml:"port"`
	} `yaml:"telnetserver"`
}

func NewConfig(configPath string) *Config {
	Cfg = &Config{}

	file, err := os.Open(configPath)
	if err != nil {
		log.Println("could not open config file")
	}
	defer file.Close()
	d := yaml.NewDecoder(file)

	if err := d.Decode(&Cfg); err != nil {
		log.Println("could not decod config file")
	}

	return Cfg
}

func ValidateConfigPath(path string) error {
	s, err := os.Stat(path)
	if err != nil {
		return err
	}
	if s.IsDir() {
		return fmt.Errorf("'%s' is a directory, not a normal file", path)
	}
	return nil
}